Enhance bootstat_summary to accept a list of events.

If provided with arguments, the script will summarize only the named
events.  If no arguments are provided, the script summarizes all
available events, just as before.

BUG=None
TEST=run the command with and without arguments

Change-Id: I21fdcced548d5a1d63c62b8e40f3817342319c46
Reviewed-on: https://gerrit.chromium.org/gerrit/48821
Reviewed-by: Daniel Erat <derat@chromium.org>
Commit-Queue: Richard Barnette <jrbarnette@chromium.org>
Tested-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
1 file changed